﻿/* 轮播图样式 */

.pptbox {
    width: 400px;
    height: 100px;
    position: relative;
    overflow: hidden;
}

.pptbox .innerwrapper {
    width: 2400px;
    /*当增加了li之后，大盒子的宽度也要相应的增加 这里增加了两个li，每个400，所以ul 从原来的1600变成了2400*/
    height: 100px;
    list-style: none;
    position: absolute;
    left: -400px;
}

.innerwrapper li {
    width: 400px;
    height: 100px;
    float: left;
}

.innerwrapper li a {
    display: block;
}

.innerwrapper li a img {
    width: 400px;
    height: 100px;
    display: block;
}

.btnleft {
    width: 20px;
    height: 50px;
    position: absolute;
    left: 0;
    top: 25px;
    background-color: black;
    background-image: url(../images/nav.png);
    background-position: -10px 4px;
    cursor: pointer;
    z-index: 100;
}

.btnright {
    width: 20px;
    height: 50px;
    position: absolute;
    right: 0;
    top: 25px;
    background-color: black;
    background-image: url(../images/nav.png);
    background-position: -54px 4px;
    cursor: pointer;
    z-index: 100;
}


/*控制按钮开始*/

.controls {
    width: 96px;
    position: absolute;
    left: 152px;
    bottom: 10px;
    list-style: none;
}

.controls li {
    width: 20px;
    height: 20px;
    background-color: gold;
    float: left;
    margin-right: 5px;
    text-align: center;
    border-radius: 10px;
    cursor: pointer;
}

.controls li.current {
    background-color: aqua;
    color: #fff;
}


/*控制按钮结束*/